fix copy 2 times error

feat: add global debug switch and unified debug logging system

debug for gemma-4-31b-it

debug gemma-4-31b-it 2 code ,2 result issue

add debug info for gemma-4-31b-it

debug for gemma-4-31b-it layer 0, KV head 0

def build_tab_analyze():

feat: restructure into modular architecture with auto-inference engine